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Finding the Fourth Proportional to 607,543.60, 909,565.80 and 371,347.60

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Solution

The fourth proportional to 607,543.60, 909,565.80 and 371,347.60 is: 555,952.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,543.60 : 909,565.80 = 371,347.60 : x
  2. Step 2: Convert to fraction form
    607,543.60/909,565.80 = 371,347.60/x
  3. Step 3: Cross multiply
    607,543.60x = 909,565.80 × 371,347.60
  4. Step 4: Simplify right side
    607,543.60x = 337,765,076,872.08
  5. Step 5: Solve for x
    x = 337,765,076,872.08/607,543.60
  6. Step 6: Final answer
    x = 555,952.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.