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Finding the Fourth Proportional to 507,968.80, 710,223.20 and 507,968.80

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Solution

The fourth proportional to 507,968.80, 710,223.20 and 507,968.80 is: 710,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,968.80 : 710,223.20 = 507,968.80 : x
  2. Step 2: Convert to fraction form
    507,968.80/710,223.20 = 507,968.80/x
  3. Step 3: Cross multiply
    507,968.80x = 710,223.20 × 507,968.80
  4. Step 4: Simplify right side
    507,968.80x = 360,771,226,636.16
  5. Step 5: Solve for x
    x = 360,771,226,636.16/507,968.80
  6. Step 6: Final answer
    x = 710,223.20

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.