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Finding the Fourth Proportional to 528,597.50, 730,070.04 and 348,116.16

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Solution

The fourth proportional to 528,597.50, 730,070.04 and 348,116.16 is: 480,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,597.50 : 730,070.04 = 348,116.16 : x
  2. Step 2: Convert to fraction form
    528,597.50/730,070.04 = 348,116.16/x
  3. Step 3: Cross multiply
    528,597.50x = 730,070.04 × 348,116.16
  4. Step 4: Simplify right side
    528,597.50x = 254,149,178,855.85
  5. Step 5: Solve for x
    x = 254,149,178,855.85/528,597.50
  6. Step 6: Final answer
    x = 480,799.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.